scarlin-cloudera commented on code in PR #4442:
URL: https://github.com/apache/hive/pull/4442#discussion_r1306577534
##########
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/rules/HiveOptimizeInlineArrayTableFunctionRule.java:
##########
@@ -124,9 +125,12 @@ public void onMatch(RelOptRuleCall call) {
RexNode newInlineCall =
cluster.getRexBuilder().makeCall(tfs.getRowType(), inlineCall.op,
newArrayCall);
+ // Use empty listfor columnMappings. The return row type of the RelNode
now comprises of
+ // all the fields within the UDTF, so there is no mapping from the output
fields
+ // directly to the input fields anymore.
final RelNode newTableFunctionScanNode = tfs.copy(tfs.getTraitSet(),
tfs.getInputs(), newInlineCall, tfs.getElementType(), tfs.getRowType(),
- tfs.getColumnMappings());
+ new HashSet<>());
Review Comment:
Done
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